#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void)
{
    char gesture[3][10] = { "scissor", "stone", "cloth" };
    int man, computer, result, ret;

    srand(time(NULL));
    while (1)
    {
        computer = rand() % 3;
        printf("\nInput your gesture (0-scissor 1-stone 2-cloth):\n");
        ret = scanf("%d", &man);
        if (ret != 1 || man < 0 || man > 2)
        {
            printf("Invalid input! Please input 0, 1 or 2.\n");
            continue;
        }
        printf("You gesture: %s\tComputer's gesture: %s\n", gesture[man], gesture[computer]);

        result = (man - computer + 4) % 3 - 1;
		if (result > 0)
			printf("You win!\n");
		else if (result == 0)
			printf("Draw!\n");
		else
			printf("You lose!\n");
    }

    return 0;
}